diff --git a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/ExternalReference.java b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/ExternalReference.java
index d509b954e7..0689b44c5a 100644
--- a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/ExternalReference.java
+++ b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/ExternalReference.java
@@ -2,6 +2,7 @@
 package eu.dnetlib.dhp.schema.oaf;
 
 import java.io.Serializable;
+import java.util.List;
 import java.util.Objects;
 
 public class ExternalReference implements Serializable {
@@ -11,12 +12,12 @@ public class ExternalReference implements Serializable {
 	// title
 	private String label;
 
+	// alternative labels
+	private List<String> alternateLabel;
+
 	// text()
 	private String url;
 
-	// ?? not mapped yet ??
-	private String description;
-
 	// type
 	private Qualifier qualifier;
 
@@ -45,6 +46,14 @@ public class ExternalReference implements Serializable {
 		this.label = label;
 	}
 
+	public List<String> getAlternateLabel() {
+		return alternateLabel;
+	}
+
+	public void setAlternateLabel(List<String> alternateLabel) {
+		this.alternateLabel = alternateLabel;
+	}
+
 	public String getUrl() {
 		return url;
 	}
@@ -53,14 +62,6 @@ public class ExternalReference implements Serializable {
 		this.url = url;
 	}
 
-	public String getDescription() {
-		return description;
-	}
-
-	public void setDescription(String description) {
-		this.description = description;
-	}
-
 	public Qualifier getQualifier() {
 		return qualifier;
 	}
@@ -103,7 +104,6 @@ public class ExternalReference implements Serializable {
 		return Objects.equals(sitename, that.sitename)
 			&& Objects.equals(label, that.label)
 			&& Objects.equals(url, that.url)
-			&& Objects.equals(description, that.description)
 			&& Objects.equals(qualifier, that.qualifier)
 			&& Objects.equals(refidentifier, that.refidentifier)
 			&& Objects.equals(query, that.query)
@@ -114,6 +114,7 @@ public class ExternalReference implements Serializable {
 	public int hashCode() {
 		return Objects
 			.hash(
-				sitename, label, url, description, qualifier, refidentifier, query, dataInfo);
+				sitename, label, url, qualifier, refidentifier, query, dataInfo);
 	}
+
 }
diff --git a/dhp-workflows/dhp-actionmanager/src/main/java/eu/dnetlib/dhp/actionmanager/migration/ProtoConverter.java b/dhp-workflows/dhp-actionmanager/src/main/java/eu/dnetlib/dhp/actionmanager/migration/ProtoConverter.java
index 2478da0e9c..70f37fba3f 100644
--- a/dhp-workflows/dhp-actionmanager/src/main/java/eu/dnetlib/dhp/actionmanager/migration/ProtoConverter.java
+++ b/dhp-workflows/dhp-actionmanager/src/main/java/eu/dnetlib/dhp/actionmanager/migration/ProtoConverter.java
@@ -132,7 +132,6 @@ public class ProtoConverter implements Serializable {
 		ex.setQuery(e.getQuery());
 		ex.setQualifier(mapQualifier(e.getQualifier()));
 		ex.setLabel(e.getLabel());
-		ex.setDescription(e.getDescription());
 		ex.setDataInfo(ex.getDataInfo());
 		return ex;
 	}
diff --git a/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/utils/XmlRecordFactory.java b/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/utils/XmlRecordFactory.java
index b9d450c757..644ed98ab1 100644
--- a/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/utils/XmlRecordFactory.java
+++ b/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/utils/XmlRecordFactory.java
@@ -45,7 +45,6 @@ import eu.dnetlib.dhp.schema.oaf.Result;
 
 public class XmlRecordFactory implements Serializable {
 
-	private static final String REL_SUBTYPE_DEDUP = "dedup";
 	private final Map<String, LongAccumulator> accumulators;
 
 	private final Set<String> specialDatasourceTypes;
@@ -1202,12 +1201,18 @@ public class XmlRecordFactory implements Serializable {
 					if (isNotBlank(er.getLabel())) {
 						fields.add(XmlSerializationUtils.asXmlElement("label", er.getLabel()));
 					}
+					Optional
+						.ofNullable(er.getAlternateLabel())
+						.map(
+							altLabel -> altLabel
+								.stream()
+								.filter(StringUtils::isNotBlank)
+								.collect(Collectors.toList()))
+						.orElse(Lists.newArrayList())
+						.forEach(alt -> fields.add(XmlSerializationUtils.asXmlElement("alternatelabel", alt)));
 					if (isNotBlank(er.getUrl())) {
 						fields.add(XmlSerializationUtils.asXmlElement("url", er.getUrl()));
 					}
-					if (isNotBlank(er.getDescription())) {
-						fields.add(XmlSerializationUtils.asXmlElement("description", er.getDescription()));
-					}
 					if (isNotBlank(er.getUrl())) {
 						fields.add(XmlSerializationUtils.mapQualifier("qualifier", er.getQualifier()));
 					}